Marina Aquarium Floating Thermometer w/ Suction Cup

The Marina Aquarium Floating Thermometer accurately monitors water temperatures to protect your fish from unsafe temperatures. An attached suction cup to secures it tightly to your aquarium wall. It features Fahrenheit and Celsius readings and is suitable for fresh and saltwater.
Accurate & easy to read
Safety zone indicator for most tropical fish
Protect your fish from unsafe temperatures
The green bar on the thermometer indicates a range of ideal, safe temperatures for most tropical fish. This makes it easy for you to make sure your water is adequately heated for optimal fish health and activity.

JW Fusion Smart Temp Aquarium Thermometer

We are proud to introduce the NEW SmartTemp Thermometer. This unique design combines a thermometer with a magnet. Attach to the inside of the tank to make sure your aquarium water is the right temperature for your fish.
High accuracy aquarium thermometer
Stays in place with a unique magnetic fastening system - no suction cups required
Features green temperature Safe Zone
The Thermometer goes on the inside of the tank and the magnet goes on the outside to hold the SmartTemp firmly in place, no suction cups needed! The SmartTemp also offers a Green Safe Zone which indicates the optimal temperature range. A High-End Accuracy- (+/-) 1.5 °F and the SmartTemp has large easy to read numbers.This thermometer is SALTWATER SAFE.

Marina LCD Digital Aquarium Thermometer

The Marina LCD Thermometer is an easy-to-read liquid crystal display aquarium thermometer that is reliably accurate to plus-or-minus 1°F. No more guessing, no color confusion. Mounts vertically & easily sticks to the outside surface of any aquarium.
Accurate and easy to read
Mounts easily on outside glass
Removable
Just place this removable thermometer in an easy to read position below waterline. Reads temperature range from 72° F to 86° F.

Penn Plax Therma-Temp Floating Thermometer with Suction Cup

The Penn Plax Therma-Temp Floating Thermometer with Suction Cup is an all glass thermometer with a suction cup mount. The Penn Plax Therma-Temp Floating Thermometer with Suction Cup reads in both Fahrenheit and Celsius.
All glass thermometer
Suction cup mount
Reads in both Fahrenheit and Celsius
Temperature range from 20 to 110 F degrees and 10-40 C degrees.

Lifegard Aquatics Little Time or Temp

Lifegard Aquatics Little Time or Temp is a digital clock and thermometer with illuminating light for accurate measurement of aquarium water or room temperature in degrees Fahrenheit. Safe for salt or freshwater use.
Accurate measurement of aquarium water or room temp
Safe for salt or freshwater use
Attaches to any surface
Attaches to any surface. 3 Foot Cord with all plastic probe and suction cup. Includes a life-long AAA battery.Temperature range 58 degrees Fahrenheit to 105 degrees Fahrenheit. Accurate measurement in Fahrenheit or Celsius.Use the Little Time or Temp for:
Aquariums
Reptile terrariums
Greenhouses

Penn Plax Therma-Temp Stainless Steel Thermometer

The Penn Plax Therma-Temp Stainless Steel Thermometer is a small stainless steel thermometer that hangs on the rim of most aquariums. Effectively measures tank water temperature between 0 and 40 degrees Celsius.
Hangs on the rim of most aquariums
"Safe zone" for most tropical fish
Measures tank water temperature between 0 and 40 degrees Celsius

Zoo Med Digital Betta Thermometer

Zoo Med's Digital Betta Thermometer is waterproof and completely submersible. The clear, easy to read digital readout faces forward in the tank so you can always easily check the temperature.
Easy to read digital betta thermometer
Waterproof thermometer is safe for all types of aquariums or betta bowls
Battery included
Stop fishing around in your water for the temperature and trust this submersible betta thermometer that has strong suction cups that keep it in place inside your aquarium or betta bowl.

Zoo Med Submersible Digital Nano Aquarium Thermometer

Zoo Med Digital Nano Thermometer is a submersible thermometer with an easy to read, clear digital screen for easy temperature checks on your tank. This thermometer is perfect for fresh or saltwater nano tanks and includes a spare battery.
Submersible thermometer with clear digital screen
For fresh or saltwater nano tanks
Spare battery included

Hydor Hydroset Thermostat with Temperature Dial

Hydor Hydroset electronic thermostat regulates the temperature of aquarims and terrariums when used with the appropriate heating device. The Hydroset is equipped with an independent heating probe that work in water or air, which is ideal for aquariums or terrariums.
Control Range: 65-95 degrees Fahrenheit
Connects to any heating cable
Independent probe working both in the water and in the air (ideal for aquarium terrarium)
Setting of temperature controlled by an electronic circuit for increased accuracy
Without LED Display
Two year manufacturer`s warranty
The Hydor Hyroset thermostat is reliable and easy to use. Ideal for use with the Hydrokable cable heaters. Simply attach the appropriate heating device, set the desired temperature, and the Hydroset regulates the heating device by the use of accurate electronic circuitry. The Hydroset Electronic Thermostat uses a temperature control dial for temperature setting. For devices up to 500W.

Lifegard Aquatics Big Digital Temp Alert

Lifegard Aquatics Big Digital Temp Alert displays both aquarium water temperature and room temperature. Large display digital thermometer with Alert feature.
Displays both aquarium & room temperature
Four alert features - alarm sounds & LED flashes
Safe for salt or freshwater use
Has four Alert features (Alarm will sound and LED flashes): High Temp Alert Only (Probe) Low Temp Alert Only (Probe) Both High & Low Temp Alert Only (Air/Room)Both High & Low Temp Alert Only (Probe) Lifegard digital thermometers are used for aquariums, reptiles or greenhouses.All include a long-life AAA battery, plastic probe with suction cup and cord. All models are safe for salt or fresh water use.

Penn Plax Therma-Temp Standing Thermometer

The Penn Plax Therma-Temp Standing Thermometer is an all glass thermometer with a weighted base to keep it vertical as it bounces around your aquarium. Features a "safe zone" for most tropical fish.
Weighted base for vertical alignment
"Safe zone" for most tropical fish
Helps you maintain a safe & comfortable environment for your fish
Contains no mercury.

Meridian Thermometer

Hagen Marina Meridian Thermometer is an easy-to-read liquid crystal display (LCD) aquarium thermometer that is reliably accurate to plus-or-minus 1° F: no guessing, no color confusion. Mounts vertically & easily sticks to the outside surface of any aquarium.
Easy-to-read LCD display
Reliably accurate to plus-or-minus 1° F
Mounts easily to outside of any aquarium
Just place this removable thermometer in an easy to read position below waterline.

Marina LCD Digital Aquarium Thermometer

The Marina LCD Aquarium Thermometer features an easy-to-read liquid crystal display (LCD) that is reliably accurate to plus-or-minus 1°F, meaning no guessing and no color confusion. It mounts vertically and easily sticks to the outside surface of any aquarium.
Accurate & easy to read LCD display
Mounts easily on outside glass
Removable
Just place this removable thermometer in an easy-to-read position below the waterline for accurate aquarium temperatures.

Marina Aquarium Standing Thermometer

The Hagen Marina Standing Aquarium Thermometer is an accurate, easy to read temperature indicator for fresh and saltwater fish tanks. Includes a safety zone indicator that applies to most tropical fish & helps protect your fish from unsafe temperatures.
Standing thermometer for fresh or saltwater use
Accurate & easy to read
Safety zone indicator for most tropical fish
Protecting your fish from unsafe temperatures is critical to their long-term health and vitality. In fact, many tropical fish can only survive within a very specific temperature range. This thermometer's "green zone" is specially highlighted to make it easy for you to maintain a safe, healthy heat level for your aquatic pets.Note: The Standing Thermometer stands freely in the tank and does not require a suction cup.

Marina LCD Digital Horizontal Aquarium Thermometer

The Marina LCD Digital Aquarium Thermometer features an easy-to-read liquid crystal display (LCD) that is reliably accurate to plus-or-minus 1°F: no guessing, no color confusion. It mounts horizontally and easily sticks to the outside surface of any aquarium.
Accurate and easy to read
Mounts easily on outside glass
Removable
Just place this removable thermometer in an easy to read position below waterline. Reads temperature range from 72°F to 86°F.

Maintaining a consistent and proper temperature in your aquarium is crucial to preserving the health and activity of your fish and other aquatic pets. Fish are extremely attuned to the level of heat in their environments, and most are specifically adapted to a relatively narrow temperature window. Keeping an accurate, easy-to-read thermometer on or in your aquarium at all times is essential to making sure the water temperature never dips too low or rises too high for your pets to survive and thrive.

Pet Mountain's Aquarium Thermometers store features top quality products from the most trusted names in aquarium care and equipment, including Hagen Marina, ATI, Zoo Med Aquatic, Lifegard Aquatics, Penn Plax and more. The Hagen Marina Suction Cup Thermometer comes with an attached suction cup to secure it tightly to your aquarium wall. It features Fahrenheit and Celsius readings and is suitable for fresh and saltwater. A safety zone indicator lets you know the ideal water temperature for most tropical fish. The Marina LCD Digital Aquarium Thermometer is an easy-to-read liquid crystal display (LCD) aquarium thermometer that is reliably accurate to plus-or-minus 1° F: no guessing, no color confusion. Mounts vertically & easily sticks to the outside surface of any aquarium. Just place this removable thermometer in an easy to read position below waterline. THe ATI Vertical Aquarium Thermometer lets you know your aquarium's temperature at a glance. This easy-to-read and accurate thermometer mounts on outside of your aquarium. It is unbreakable, non-corrosive, and non-toxic, and reads in the Fahrenheit scale.

Your Online Discount Aquarium Thermometer Store

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At Pet Mountain we know that your pet is one of the most important things in your life. How? Because ours are too! Your pet deserves to have the very best the industry has to offer, and we are committed to making sure you have it at crazy low prices. Providing you with the very best supplies for your dog, cat, reptile, bird or small critter is our privilege. Keeping a pet should be fun - let us help you keep it that way!